Blood gonadotropin studies during pregnancy in relation to the fetal sex.
NIEBURGS
H E
HE
GREENBLATT
R B
RB
D006063:Chorionic Gonadotropin; D005260:Female; D005333:Fetus; D006062:Gonadotropins; D006801:Humans; D011247:Pregnancy; D012725:Sexual Behavior
D006063:Chorionic Gonadotropin; D006062:Gonadotropins